add manual testing

vangj · vangj · commit 0cf7c2e416d9 · 2025-04-11T11:17:56.000-04:00
diff --git a/spark-cluster/base/README.md b/spark-cluster/base/README.md
@@ -0,0 +1,25 @@
+# Notes
+
+## Testing
+
+```bash
+# test java
+which java
+java -version
+
+# test hadoop
+hadoop version
+
+# test spark
+spark-submit --version
+
+# test python
+which python
+python --version
+
+# test ssh
+ssh localhost
+
+# test listening ports
+netstat -tulnp | grep LISTEN
+```
